#concrete5 Redirect /index.php to /

site_post_autoload.php

<?php
// For concrete5.6
// config/site_post_autoload.php

if (
    $_SERVER['REQUEST_URI'] == '/index.php' &&
    !$_REQUEST['btask'] &&
    !$_GET['atask'] &&
    !$_REQUEST['ctask'] &&
    !$_REQUEST['ptask'] &&
    !$_REQUEST['processBlock'] &&
    !$_POST['processCollection']
) {
	header('Location: ' . BASE_URL . DIR_REL . '/');
	exit;
}